Subject: + hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix.patch added to -mm tree
To: akpm@xxxxxxxxxxxxxxxxxxxx,aneesh.kumar@xxxxxxxxxxxxxxxxxx,lcapitulino@xxxxxxxxxx,mgorman@xxxxxxx,nacc@xxxxxxxxxxxxxxxxxx,rdunlap@xxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 23 Apr 2014 11:25:19 -0700
The patch titled
Subject: hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix
has been added to the -mm tree. Its filename is
hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix
fix build when HPAGE_SHIFT is undefined
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Nishanth Aravamudan <nacc@xxxxxxxxxxxxxxxxxx>
Cc: Luiz Capitulino <lcapitulino@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/hugetlb.h | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff -puN include/linux/hugetlb.h~hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix include/linux/hugetlb.h
--- a/include/linux/hugetlb.h~hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix
+++ a/include/linux/hugetlb.h
@@ -412,6 +412,16 @@ static inline spinlock_t *huge_pte_lockp
return &mm->page_table_lock;
}
+static inline bool hugepages_supported(void)
+{
+ /*
+ * Some platform decide whether they support huge pages at boot
+ * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when
+ * there is no such support
+ */
+ return HPAGE_SHIFT != 0;
+}
+
#else /* CONFIG_HUGETLB_PAGE */
struct hstate {};
#define alloc_huge_page_node(h, nid) NULL
@@ -460,14 +470,4 @@ static inline spinlock_t *huge_pte_lock(
return ptl;
}
-static inline bool hugepages_supported(void)
-{
- /*
- * Some platform decide whether they support huge pages at boot
- * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when
- * there is no such support
- */
- return HPAGE_SHIFT != 0;
-}
-
#endif /* _LINUX_HUGETLB_H */
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
arch-alpha-kernel-systblss-remove-debug-check.patch
i-need-old-gcc.patch
maintainers-akpm-maintenance.patch
hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix.patch
hugetlb-ensure-hugepage-access-is-denied-if-hugepages-are-not-supported-fix-fix.patch
input-route-kbd-leds-through-the-generic-leds-layer.patch
ocfs2-limit-printk-when-journal-is-aborted-fix.patch
ocfs2-do-not-return-dlm_migrate_response_mastery_ref-to-avoid-endlessloop-during-umount.patch
mm.patch
mm-hugetlbfs-fix-rmapping-for-anonymous-hugepages-with-page_pgoff-v3-fix.patch
pagewalk-update-page-table-walker-core-fix-end-address-calculation-in-walk_page_range-fix.patch
pagemap-redefine-callback-functions-for-page-table-walker-fix.patch
pagewalk-remove-argument-hmask-from-hugetlb_entry-fix-fix.patch
mm-introduce-do_shared_fault-and-drop-do_fault-fix-fix.patch
mm-compactionc-isolate_freepages_block-small-tuneup.patch
mm-huge_memoryc-complete-conversion-to-pr_foo.patch
include-linux-mmdebugh-add-vm_warn_on-and-vm_warn_on_once.patch
mm-mempool-warn-about-__gfp_zero-usage-fix.patch
mm-pass-vm_bug_on-reason-to-dump_page-fix.patch
hugetlb-add-support-for-gigantic-page-allocation-at-runtime-checkpatch-fixes.patch
mm-page_alloc-do-not-cache-reclaim-distances-fix.patch
fs-hugetlbfs-inodec-complete-conversion-to-pr_foo.patch
mm-extract-code-to-fault-in-a-page-from-__get_user_pages-fix.patch
mm-gupc-tweaks.patch
mm-gupc-tweaks-fix.patch
mm-compaction-cleanup-isolate_freepages-fix.patch
arc-call-find_vma-with-the-mmap_sem-held-fix.patch
mm-memcontrolc-introduce-helper-mem_cgroup_zoneinfo_zone-checkpatch-fixes.patch
mm-vmscan-do-not-throttle-based-on-pfmemalloc-reserves-if-node-has-no-zone_normal-checkpatch-fixes.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
init-mainc-dont-use-pr_debug.patch
init-mainc-add-initcall_blacklist-kernel-parameter-fix.patch
rtc-rtc-cmos-drivers-char-rtcc-features-for-decstation-support-fix.patch
hfsplus-fixes-worst-case-unicode-to-char-conversion-of-file-names-and-attributes-fix.patch
hfsplus-correct-usage-of-hfsplus_attr_max_strlen-for-non-english-attributes-fix.patch
hfsplus-correct-usage-of-hfsplus_attr_max_strlen-for-non-english-attributes-fix-2.patch
linux-next.patch
drivers-gpio-gpio-zevioc-fix-build.patch
ufs-sb-mutex-merge-mutex_destroy.patch
debugging-keep-track-of-page-owners.patch
journal_add_journal_head-debug.patch
journal_add_journal_head-debug-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mutex-subsystem-synchro-test-module.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
